Missouri Case No. ER-2018-0145; ER-2012-0174; and ER-2010-0355: Deferred costs associated with the Iatan 2 project, with Vintage 1 re-amortized after the partial balance write-off. Remaining balance to be amortized over 40.53 years beginning December 2018. Vintage 2 continues to amortized over 45.95 years beginning February 2013.